Using observations
of ancient stars with W. M. Keck Observatory's 10 - meter telescope and state - of - the - art models of their atmospheres has shown that there is no conflict between their lithium - 6 and lithium - 7 content and predictions of the standard theory of Big Bang nucleosynthesis, restoring thus the order in our theory of the early universe.
Both would have been born from massive stars that evolved in close proximity
in ancient star factories as a binary pair, eventually dying as supernovas.
The star was discovered using the ANU SkyMapper telescope at the Siding Spring Observatory, which is searching
for ancient stars as it conducts a five - year project to produce the first digital map the southern sky.
Heretical texts,
ancient star maps, and sacred geometries come together in one impossible heist.
Everyday Einstein explains how we determine the age of our universe
from ancient stars and relic radiation left over from the big bang
They found four smudges of light — possibly galaxies — in the area, as well as a blob - shaped galaxy full of
ancient stars on the region's periphery.
-LSB-...] «Without any doubt it is a great thing to add innumerable other stars to the immense multitude of fixed stars that until today it has been possible to discern with the natural faculty of sight, and which exceed by more than ten times the number of
ancient stars already recorded».
We are made of stardust, the scientists say — the iron in our blood, the calcium in our bones, and the chlorine in our skin forged in the furnaces of
ancient stars whose explosions scattered the elements across the galaxy.
Just as your eyes can see visible light but not radio waves or x-rays, Webb's vision is tuned for the infrared — a portion of the spectrum ideal for
studying ancient stars and galaxies, but where oxygen's barcode - like absorption lines are rather slight and sparse.
But new observations from NASA's Hubble Space Telescope have
revealed ancient stars mingled with the young ones, proving the galaxy as a whole is in fact as old as its neighbors.
Most of the galaxy's stars, including the sun, reside in a thin, pancake - shaped disk, but
ancient stars populate a halo surrounding the disk.
Second - generation stars made from this debris would still have relatively little iron, like any
other ancient star, but they'd have correspondingly little nitrogen as well.
Globular Clusters are a fascinating objects to view and can be easily seen with binoculars, they are groups of
ancient stars huddled together and orbiting the central bulge of our galaxy.
Using the Keck Observatory, an international team of researchers led by Professor Forbes of Swinburne University of Technology has
determined ancient star clusters, known as globular clusters, formed in two epochs — 12.5 and 11.5 billion years ago.
Time is set at a terminal velocity and my brain drags in the distance — memories glimmer dimly
like ancient stars in a rapidly expanding universe.
Dubbed Terzan 5, the rare fossil relic of the early Milky Way contains stars that are remarkably similar to the
most ancient stars in our galaxy.
Comets are made up of materials
from ancient stars, interstellar clouds, and the birth of our Solar System.
The experiment's result reinforces what scientists call the lithium problem, a discrepancy between the amounts of the element thought to have been produced 13.8 billion years ago and the amounts observed
in ancient stars.
Shectman investigates the large - scale structure of the distribution of galaxies; searches
for ancient stars; develops novel and creative astronomical instruments; and constructs large telescopes.
Maunakea, Hawaii — Using a new age - dating method and the W. M. Keck Observatory on Maunakea, an international team of astronomers have determined that
ancient star clusters formed in two... Read more»
A 21 - year study of a pair
of ancient stars — one a pulsar and the other a white dwarf — helps astronomers understand how gravity works across the cosmos.
A solitary planet in an eccentric orbit around
an ancient star may help astronomers understand exactly how such planetary systems are formed.
They're like the preserved remnants of
an ancient star, and examining them is like doing astronomical archaeology... on a scale 60 trillion kilometers (40 trillion miles) across.
The object is located in the center of a colorful cloud of material consisting of the remains of
an ancient star that exploded as a massive supernova.
Yet the telltale chemical signatures this should have left have not been observed in
the ancient stars» early descendants that roam our galaxy.
THE MOTIVE How do you determine the age of
an ancient star?
«To make
this ancient star, you need no more than an Australia - sized asteroid of iron and lots of carbon.
The ancient star is around 6,000 light years from Earth, which Dr Keller says is relatively close in astronomical terms.
But this doesn't work for
an ancient star nearby.
But
the ancient star shows signs of pollution with lighter elements such as carbon and magnesium, and no sign of pollution with iron.
The number of neutrons on earth is a direct result of BBN and later processes that occurred in
ancient stars.
For the past two years, Winget and his colleagues at the University of Texas at Austin and Sandia National Laboratory in Albuquerque, New Mexico, have been creating searing plasmas that are, in effect, miniature versions of white dwarfs,
ancient stars that have burned up all their nuclear fuel.
Scientists want to learn more about
these ancient stars, which have never been observed directly, because they injected the first doses of carbon, oxygen and other crucial elements into the cosmos.
The object, known as SDSS J0104 +1535, is a member of the so - called halo — the outermost reaches — of our Galaxy, made up of the most
ancient stars.
The chemical fingerprint of
an ancient star suggests its predecessors were more massive than thought, ending up as huge supernovae
Ancient stars, of a type known as RR Lyrae, have been discovered in the centre of the Milky Way for the first time, using ESO's infrared VISTA telescope.
Part I: An astronomer armed with some equations and an Indiana Jones thirst for lost treasures has found
an ancient star map where no one thought to look: on public display in a museum.
Among the stunning shots taken this week were those of the Lagoon Nebula, about 3600 light years away from Earth; the 47 Tucanae cluster of several million
ancient stars about 15,000 light years from Earth; and the face - on barred spiral galaxy NGC 6744 in the star - rich southern constellation of Pavo, about 30 million light years away.
An ancient star (inset) divulges the explosion of one of the universe's first stars, which in this artist's conception was located in a cluster (main image)
An ancient star a mere thousand light - years from Earth bears chemical elements that may have been forged by the death of a star that was both extremely massive and one of the first to arise after the big bang.
The planet lives 2200 light - years away inside the Helmi stream, a ring of
ancient stars that cuts through the plane of the Milky Way.
These ancient stars bunched into a spherical formation within the halos, creating the hundreds of globular clusters seen in the Milky Way and other galaxies.
Now a large, new study contradicts this assumption, finding that giant elliptical galaxies — round or ellipsoidal systems full of
ancient stars — spawned an excess of little stars just after the big bang.
And even in the core of the Milky Way, which formed earlier and where the odds are greatest of finding
an ancient star, Loeb says, «they still represent less than 1 percent of all stars.»